JAMB Mathematics Questions 2017 OBJECTIVES

2. At what rate would a sum of #100.00 deposited for 5 years raise an interest of #7.50?
A. 11/2%
B. 21/2%
C. 15%
D. 25%

3. Three children shared a basket of mangoes in such a way that the first child took ¼ of the mangoes and the second ¾ of the remainder. What fraction of the mangoes did the third child take?
A. 3/16
B. 7/16
C. 9/16
D. 13/16

5. Three brothers in a business deal share the profit at the end of contract. The first received 1/3 of the profit and the second 2/3 of the remainder. If the third received the remaining #12.000.00, how much profit did they share?
A. #60,000.00
B. #54,000.00
C. #48,000.00
D. #42,000.00

11. A carpenter charges #40.00 per day for himself and #10.00 per day for his assistant. If a fleet of a cars were painted for #2,000.00 and the painter worked 10 days more than his assistant, how much did the assistant receive?
A. #32.00
B. #320.00

13. The angle of a sector of a circle, radius 10.5cm, is 480. calculate the perimeter of the sector
A. 8.8cm
B. 25.4cm
C. 25.6cm
D. 29.8cm

14. Find the length of a side of a rhombus whose diagonals are 6cm and 8cm.
A. 8cm
B. 5cm
C. 4cm
D. 3cm

15. Each of the interior angles of a regular polygon is 1400. How many sides has the polygon?
A. 9 B. 8 C. 7 D. 5

16. A cylindrical pipe, made of metal is 3cm, thick if the internal radius of the pipe is 10cm. Find the volume of metal used in making 3m of the pipe
A. 153πcm3
B. 207πcm3
C. 15,300πcm3
D. 20,700πcm3

17. If the height of two circular cylinders are in the ratio 2:3 and their base radii are in the ratio 9. What is the ratio of their volume?
A. 27:32
B. 27:23
C. 23:32
D. 21:27

18. The locus of a point which moves so that it is equidistant from two intersecting straight lines is the
A. perpendicular bisector of the two lines
B. angle bisector of the two lines
C. bisector of the two lines
D. line parallel to the two lines

19. 4, 16, 30, 20, 10, 14 and 26 are represented on a pie chart. Find the sum of the angles of the sectors representing all numbers equal to or greater than 16.
A. 480
B. 840
C. 920
D. 2760

20. The mean of ten positive numbers is 16. when another number is added, the mean becomes 18. find the eleventh number.
A. 3
B. 16
C. 18
D. 30

21. Two numbers are removed at random from the numbers 1,2,3 and 4. what is the probability that the sum of the numbers removed is even?
A. 2/3
B. ½
C. 1/3
D. ¼

27. A car travels from Calabar to Enugu, a distant of pkm with an average speed of ukm per hour and continues to Benin, a distance of qkm, with an average speed of wkm per hour. Find its average speed from Calabar to Benin.
A. (p q)/(up wq)
B. u w
C. uw(p q)/(wp uq)
D. (wp uq)/(u wq)